koala vs Southern Rough-winged Swallow

Phascolarctos cinereus compared with Stelgidopteryx ruficollis

Key Differences

• koala is Vulnerable while Southern Rough-winged Swallow is Least Concern.

Taxonomic Classification

Rank	koala	Southern Rough-winged Swallow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Diprotodontia (Marsupials)	Passeriformes (Songbirds)
Family	Phascolarctidae (Koalas)	Hirundinidae
Genus	Phascolarctos (Koalas)	Stelgidopteryx
Species	Phascolarctos cinereus	Stelgidopteryx ruficollis

Evolutionary Relationship

koala and Southern Rough-winged Swallow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Southern Rough-winged Swallow

LC — Least Concern

Physical Characteristics

Attribute	koala	Southern Rough-winged Swallow
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Southern Rough-winged Swallow

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.

Southern Rough-winged Swallow

Southern Rough-winged Swallow (Stelgidopteryx ruficollis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.